The Telerik ASP.NET Diagram
control is now available for download and will help you create rich, high-performing and interactive diagrams with ease.
The Beta installations are available at the bottom of the Download UI for ASP.NET AJAX - Version: 2014.1 403 (Apr 3, 2014) section under Your Telerik.com account. You can obtain the trial MSI installation right from here
You can also test the control in the live demos
and add your comments and suggestions in the Feedback portal